The BGS Lexicon of Named Rock Units — Result Details
Edzell Sandstone Formation [Obsolete: use THF]
Computer Code: | EDS | Preferred Map Code: | EDS |
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Status Code: | Full | ||
Age range: | Early Devonian Epoch (DL) — Early Devonian Epoch (DL) | ||
Lithological Description: | [Obsolete: use THF] Fine- to coarse-grained, commonly cross-bedded, but may be massive or horizontally-laminated sandstone or pebbly sandstone, locally with lenses of conglomerate, siltstone and mudstone. | ||
Definition of Lower Boundary: | Conformable, generally diachronous, gradational, interfingering with and passing up into the Cromlix Mudstone Formation with decreasing abundance of sandstone lithologies. | ||
Definition of Upper Boundary: | Not seen. | ||
Thickness: | Up to 1800 m thick in the Fettercairn area. | ||
Geographical Limits: | Northern Midland Valley, adjacent to the Highland Border fault between Fern and Auchenblae. | ||
Parent Unit: | none recorded or not applicable | ||
Previous Name(s): | Edzell Sandstones [Obsolete Name and Code: Use EDS]
(-226)
Gannochy Formation [Obsolete Name and Code: Use EDS, GYF, STHC, THF] (-4633) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Type Section | Banks of River North Esk, Gannochy Bridge. | ||
Reference Section | Showing interfingering relationship of Edzell Sandstone Formation and Strathfinella Hill Conglomerate, banks of Devilly Burn, Clatterin' Brig. | ||
Reference(s): | |||
Browne, M A E, Smith, R A, and Aitken, A M. 2002. Stratigraphical framework for the Devonian (Old Red Sandstone) rocks of Scotland south of a line from Fort William to Aberdeen. British Geological Survey Research Report RR/01/04. 67 pp. | |||
Armstrong, M, and Paterson, I B. 1970. The Lower Old Red Sandstone of the Strathmore Region. Report of the Institute of Geological Sciences No. 70/12 | |||
Geology of the Fettercairn area, 1:10000 sheets NO67NW, NO67NE, NO67SW, NO67SE and NO68SE (south of the Highland Boundary Fault) : part of 1:50000 sheets 66E (Banchory), 66W (Aboyne), 57W (Forfar) and 57E (Montrose): British Geological Survey, Onshore Geology Series, Technical report WA/95/91 | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
S066 S066 |